Questão jurídica principal
Whether the appeal against the Geneva decision ordering transmission of bank documents was admissible and to what extent the appellants had standing.
Decisão extraída
The appeal was admissible only for documents relating to accounts aaa and bbb held by the appellants; it was inadmissible for the account ccc held by K.
Fundamentação extraída
Standing under the MLAT rules depends on being directly affected by the relevant account documentation; only the account holders could challenge the disclosure of their own records.